145199995 has 8 divisors (see below), whose sum is σ = 183410640. Its totient is φ = 110046240.

The previous prime is 145199981. The next prime is 145200031. The reversal of 145199995 is 599991541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145199995 - 2¹³ = 145191803 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764116 + ... + 764305.

It is an arithmetic number, because the mean of its divisors is an integer number (22926330).

Almost surely, 2^145199995 is an apocalyptic number.

145199995 is a deficient number, since it is larger than the sum of its proper divisors (38210645).

145199995 is a wasteful number, since it uses less digits than its factorization.

145199995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528445.

The product of its digits is 656100, while the sum is 52.

The square root of 145199995 is about 12049.8960576430. The cubic root of 145199995 is about 525.6002145164.

The spelling of 145199995 in words is "one hundred forty-five million, one hundred ninety-nine thousand, nine hundred ninety-five".